116621561310 has 32 divisors (see below), whose sum is σ = 279919411200. Its totient is φ = 31096009248.

The previous prime is 116621561279. The next prime is 116621561317. The reversal of 116621561310 is 13165126611.

It is a super-2 number, since 2×116621561310² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116621561317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125059 + ... + 498881.

It is an arithmetic number, because the mean of its divisors is an integer number (8747481600).

Almost surely, 2^116621561310 is an apocalyptic number.

116621561310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

116621561310 is an abundant number, since it is smaller than the sum of its proper divisors (163297849890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

116621561310 is a wasteful number, since it uses less digits than its factorization.

116621561310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384232.

The product of its (nonzero) digits is 6480, while the sum is 33.

Adding to 116621561310 its reverse (13165126611), we get a palindrome (129786687921).

The spelling of 116621561310 in words is "one hundred sixteen billion, six hundred twenty-one million, five hundred sixty-one thousand, three hundred ten".